#include "stm32f10x.h"                  // Device header

void PWM_Init(void)
{
	RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2,ENABLE);      // 使能TIM2时钟
	RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA,ENABLE);     // 使能GPIOA时钟
	
	// 
	GPIO_InitTypeDef GPIO_InitStructure;
	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
	GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0 | GPIO_Pin_1;
	GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
	GPIO_Init(GPIOA,&GPIO_InitStructure);
	
	TIM_InternalClockConfig(TIM2);
	
	TIM_TimeBaseInitTypeDef TIM_TimeBaseInitStructure;
	TIM_TimeBaseInitStructure.TIM_ClockDivision = TIM_CKD_DIV1;
	TIM_TimeBaseInitStructure.TIM_CounterMode = TIM_CounterMode_Up;
	TIM_TimeBaseInitStructure.TIM_Period = 100 - 1;     //ARR
	TIM_TimeBaseInitStructure.TIM_Prescaler = 720 - 1;   //PSC
	TIM_TimeBaseInitStructure.TIM_RepetitionCounter = 0;
	TIM_TimeBaseInit(TIM2,&TIM_TimeBaseInitStructure);
	
	//初始化 TIM2 Channel2 PWM 模式
	TIM_OCInitTypeDef TIM_OCInitStructure;
	TIM_OCStructInit(&TIM_OCInitStructure);
	TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM2;
	TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;
	TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High;
	TIM_OC1Init(TIM2,&TIM_OCInitStructure);
	TIM_OC1PreloadConfig(TIM2, TIM_OCPreload_Enable);
	TIM_OC2Init(TIM2, &TIM_OCInitStructure);
  TIM_OC2PreloadConfig(TIM2, TIM_OCPreload_Enable);
	TIM_OCInitStructure.TIM_Pulse = 0; //CCR

	TIM_Cmd(TIM2,ENABLE);
}

void makerobo_led_ColorSet(uint16_t R_Compare,uint16_t G_Compare)
{
	TIM_SetCompare1(TIM2,R_Compare);
	TIM_SetCompare2(TIM2,G_Compare);
}

